python之无法让 ErrorResponse 在 Django Rest Framework 上工作

这个有效:

class Right(ResponseMixin, View): 
    """Right""" 
    renderers = (JSONRenderer, XMLRenderer) 
 
    def get(self, request, right_id): 
        if not right_id: 
            return self.render( 
                Response(status.HTTP_400_BAD_REQUEST, 
                         {"successful": False}) 
            ) 

这不是:

class Right(ResponseMixin, View): 
    """Right""" 
    renderers = (JSONRenderer, XMLRenderer) 
 
    # @default_json 
    def get(self, request, right_id): 
        if not right_id: 
            raise ErrorResponse(status.HTTP_400_BAD_REQUEST, 
                                {"successful": False}) 

我收到一条错误消息:

错误响应在/v1/right/ 没有提供异常

或者:

Environment: 
Request Method: GET 
Request URL: http://127.0.0.1:8000/v1/right/ 
 
Django Version: 1.4.1 
Python Version: 2.7.2 
Installed Applications: 
('django.contrib.auth', 
 'django.contrib.contenttypes', 
 'django.contrib.sessions', 
 'django.contrib.sites', 
 'django.contrib.messages', 
 'django.contrib.staticfiles') 
Installed Middleware: 
('api.disable.DisableCSRF', 
 'django.middleware.common.CommonMiddleware', 
 'django.contrib.sessions.middleware.SessionMiddleware', 
 'django.middleware.csrf.CsrfViewMiddleware', 
 'django.contrib.auth.middleware.AuthenticationMiddleware', 
 'django.contrib.messages.middleware.MessageMiddleware') 
 
 
Traceback: 
File "/Users/agoodattitude/Envs/locker-proxy/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response 
  111.                         response = callback(request, *callback_args, **callback_kwargs) 
File "/Users/agoodattitude/Envs/locker-proxy/lib/python2.7/site-packages/django/views/generic/base.py" in view 
  48.             return self.dispatch(request, *args, **kwargs) 
File "/Users/agoodattitude/Envs/locker-proxy/lib/python2.7/site-packages/django/views/generic/base.py" in dispatch 
  69.         return handler(request, *args, **kwargs) 
File "/Users/agoodattitude/saff-py/locker-proxy/locker_proxy/api/resources.py" in get 
  125.                                                          error_message="right_id was not passed.")) 
 
Exception Type: ErrorResponse at /v1/right/ 
Exception Value:  

有人知道“没有提供异常”是什么意思吗？

(请注意，我稍微更改了代码以降低复杂性，但问题依然存在......)

请您参考如下方法:

使用 http://django-rest-framework.org/api-guide/exceptions.html ，我将创建一个自定义异常，它将继承自 APIException 并引发该异常。这至少对我有用!

我知道我指的是新 2.x 版本的文档，而你指的是 0.4.x 版本，但它允许其他查看者关注主题和文档，并且 APIException 类也发生了变化与以前的版本相比只有一点点。